<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Binary-safe gz-file write</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.gzwrite" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gzwrite</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">gzwrite</span> &mdash; <span class="dc-title">Binary-safe gz-file write</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.gzwrite-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>gzwrite</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$zp</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$string</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$length</code></span>
  ] ) : <span class="type">int</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>gzwrite()</strong></span> writes the contents of
   <code class="parameter">string</code> to the given gz-file.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.gzwrite-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">zp</code></dt>

     <dd>

      <p class="para">
       The gz-file pointer. It must be valid, and must point to a file
       successfully opened by <span class="function"><a href="gzopen.html" class="function">gzopen()</a></span>.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">string</code></dt>

     <dd>

      <p class="para">
       The string to write.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">length</code></dt>

     <dd>

      <p class="para">
       The number of uncompressed bytes to write. If supplied, writing will 
       stop after <code class="parameter">length</code> (uncompressed) bytes have been
       written or the end of <code class="parameter">string</code> is reached,
       whichever comes first.
      </p>
      <blockquote class="note"><p><strong class="note">Note</strong>: 
       <p class="para">
        Note that if the <code class="parameter">length</code> argument is given,
        then the <a href="info.configuration.html#ini.magic-quotes-runtime" class="link">magic_quotes_runtime</a>
        configuration option will be ignored and no slashes will be
        stripped from <code class="parameter">string</code>.
       </p>
      </p></blockquote>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.gzwrite-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para"> 
   Returns the number of (uncompressed) bytes written to the given gz-file 
   stream.
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.gzwrite-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-883">
    <p><strong>Example #1 <span class="function"><strong>gzwrite()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$string&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'Some&nbsp;information&nbsp;to&nbsp;compress'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$gz&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gzopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'somefile.gz'</span><span style="color: #007700">,</span><span style="color: #DD0000">'w9'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">gzwrite</span><span style="color: #007700">(</span><span style="color: #0000BB">$gz</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$string</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">gzclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$gz</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.gzwrite-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="gzread.html" class="function" rel="rdfs-seeAlso">gzread()</a> - Binary-safe gz-file read</span></li>
    <li class="member"><span class="function"><a href="gzopen.html" class="function" rel="rdfs-seeAlso">gzopen()</a> - Open gz-file</span></li>
   </ul>
  </p>
 </div>

</div></div></div></body></html>